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How to distinguish the quality of automobile sheet metal parts?

The sheet metal part of a car generally refers to the metal shell of the car, which is usually made of steel plates. On the basis of ensuring a certain strength, it is the basic requirement to reduce the weight as much as possible. In addition to protecting and aesthetically pleasing, automotive sheet metal parts are also the main carrier for vehicles to withstand gas resistance. Therefore, the quality and life of automobile sheet metal parts not only affect the appearance of the automobile, but also increase the resistance of the air to the automobile parts due to quality and deformation, which reduces the economy.

1. Sheet metal parts and their classification

According to the manufacturer, automobile sheet metal parts can be divided into two categories: original parts and auxiliary parts. The so-called “original factory” generally refers to the supporting parts for the OEM; The price of most original parts is higher than that of replacement parts. Most people think that the original parts replaced at the special maintenance station or the original parts bought in the auto parts market should be the same as the original car. In fact, there will be large or small differences.

2. How to distinguish the pros and cons of sheet metal parts

According to the master of the automobile sheet metal parts fabrication factory, to distinguish the quality of the sheet metal parts, in general, we can start from the aspects of packaging, weight, welding process, painting process and the degree of fit when loading. It is very difficult for ordinary car owners to distinguish whether the sheet metal parts are of high quality after delivery. It may be possible to distinguish from the packaging of the products in advance: the products produced by ordinary small factories will not print the contact information and factory address, while the regular manufacturers In addition to the contact information and factory address, there will also be steel stamps, qualifications and testing labels on the products. Even if consumers have problems in the future use process, they can also have a way to protect their rights.

Product weight is one of the inspection standards to measure the quality of sheet metal parts. In order to ensure the safety of automobiles, the steel plates used in automobile sheet metal parts must reach a certain weight. The weight of the original sheet metal parts and the high-quality sub-factory sheet metal parts should be almost the same, and if the sheet metal parts you buy are one-third lighter than the original sheet metal parts, then you will undoubtedly buy It will be the product of a small factory. As for the welding process, it is also a method to distinguish whether the sheet metal parts are from large manufacturers. The sheet metal parts produced by regular manufacturers will be mechanically cut and welded, and the welding points or trimmed edges will be smooth and will not leave rough cutting edges.

Many car owners think that they need to be painted with the same color as the original car after the sheet metal parts, so they will ignore the painting process of the sheet metal parts when purchasing sheet metal parts, thinking that it is not important, but this idea is incorrect . In order to prevent oxidation and rust, the sheet metal parts need to be treated by painting before leaving the factory. Indeed, the painting process after replacing the sheet metal parts can also protect and prevent oxidation in addition to color matching. If it is a sheet metal part of a small factory, if there is uneven adsorption and foaming in the painting process during production, it will affect the effect of post-painting, which will cause it to fall off easily during use, cause rust, affect and destroy. The quality of sheet metal parts.

The above is some knowledge to distinguish the quality of automobile sheet metal parts fabrication, I hope to give some help to car owners and friends who need to buy sheet metal parts. Of course, it does not mean that choosing high-quality sheet metal products can be completely worry-free. Like many parts of the car, sheet metal parts also need reasonable use and maintenance. Minimizing parking in the open air and driving in sand and water, and regularly painting the inside of sheet metal parts to prevent corrosion are the keys to prolonging the service life of sheet metal parts.

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No matter what your metal fabrication needs are, Pintejin can offer the right solution: from single sheet metal part or sub-assembly of stamped metal parts to turnkey solutions for mechanical and electrical assemblies. We have the technology, equipment and the experience to fabricate customised metal products from aluminium sheet metal fabrication, steel, zinc plated steel, stainless steel sheet metal fabrication, brass and copper. Designs that require CNC machining of surfaces or components can be accommodated. We can supply polished, galvanized, zinc coated or powder coated finishes for any sheet metal work or stamped metal components. Coupled with our accurate and reliable metal fabricating equipment, we guarantee precision and repeatability in custom sheet metal work. You’ll be taking advantage of the best sheet metal fabrication china can produce.

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